/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraEditorModule.h
typedef TBaseDelegate_OneParam< [UMovieSceneNiagaraParameterTrack](API\Plugins\Niagara\MovieScene\Parameters\UMovieSceneNiagaraParameterTrack) *, [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) > FOnCreateMovieSceneTrackForParameter